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. 2020 Sep 9;93(1115):20200101. doi: 10.1259/bjr.20200101

Figure 2.

Figure 2.

A patient of subgroup A with an eGFR of 56 mL/min. (A) The contrast-enhanced Magnetic Resonance Angiography shows left RAS of 60% (white arrow). DTI analysis of the right kidney (not shown) did not find alterations of the diffusion parameters. On the left side, the ADC map (B) shows a significant reduction in the cortical ADC (2.29 × 10−3 mm2/s) as compared to the reference standard values; the medullary ADC was 2.46 × 10−3 mm2/s. The FA map (C) did not show significant alteration in the cortical and medullary FA (0.28 and 0.33, respectively). ADC, apparent diffusion coefficient; DTI, diffusion tensor imaging; eGFR, estimated glomerular filtration rate; FA, fractional anisotropy; RAS, renal artery stenosis; ROIs, regions of interest.